diff options
Diffstat (limited to 'source/blender/editors/manipulator_library/manipulator_draw_utils.c')
-rw-r--r-- | source/blender/editors/manipulator_library/manipulator_draw_utils.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/source/blender/editors/manipulator_library/manipulator_draw_utils.c b/source/blender/editors/manipulator_library/manipulator_draw_utils.c new file mode 100644 index 00000000000..fc7b22ac0f0 --- /dev/null +++ b/source/blender/editors/manipulator_library/manipulator_draw_utils.c @@ -0,0 +1,127 @@ +/* + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * The Original Code is Copyright (C) 2014 Blender Foundation. + * All rights reserved. + * + * Contributor(s): Blender Foundation + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file manipulator_draw_utils.c + * \ingroup wm + */ + +#include "BKE_context.h" + +#include "BLI_listbase.h" +#include "BLI_ghash.h" +#include "BLI_math.h" +#include "BLI_string.h" +#include "BLI_string_utils.h" + +#include "DNA_manipulator_types.h" + +#include "ED_screen.h" +#include "ED_view3d.h" + +#include "GPU_batch.h" +#include "GPU_glew.h" +#include "GPU_immediate.h" + +#include "MEM_guardedalloc.h" + +#include "RNA_access.h" + +#include "WM_api.h" +#include "WM_types.h" + +/* only for own init/exit calls (wm_manipulatortype_init/wm_manipulatortype_free) */ +#include "wm.h" + +/* own includes */ +#include "manipulator_library_intern.h" + +/** + * Main draw call for ManipulatorGeomInfo data + */ +void wm_manipulator_geometryinfo_draw(const ManipulatorGeomInfo *info, const bool select, const float color[4]) +{ + /* TODO store the Batches inside the ManipulatorGeomInfo and updated it when geom changes + * So we don't need to re-created and discard it every time */ + + const bool use_lighting = true || (!select && ((U.manipulator_flag & V3D_SHADED_MANIPULATORS) != 0)); + VertexBuffer *vbo; + ElementList *el; + Batch *batch; + ElementListBuilder elb = {0}; + + VertexFormat format = {0}; + unsigned int pos_id = VertexFormat_add_attrib(&format, "pos", COMP_F32, 3, KEEP_FLOAT); + unsigned int nor_id; + + if (use_lighting) { + nor_id = VertexFormat_add_attrib(&format, "nor", COMP_I16, 3, NORMALIZE_INT_TO_FLOAT); + } + + /* Elements */ + ElementListBuilder_init(&elb, PRIM_TRIANGLES, info->ntris, info->nverts); + for (int i = 0; i < info->ntris; ++i) { + const unsigned short *idx = &info->indices[i * 3]; + add_triangle_vertices(&elb, idx[0], idx[1], idx[2]); + } + el = ElementList_build(&elb); + + vbo = VertexBuffer_create_with_format(&format); + VertexBuffer_allocate_data(vbo, info->nverts); + + VertexBuffer_fill_attrib(vbo, pos_id, info->verts); + + if (use_lighting) { + /* Normals are expected to be smooth. */ + VertexBuffer_fill_attrib(vbo, nor_id, info->normals); + } + + batch = Batch_create(PRIM_TRIANGLES, vbo, el); + Batch_set_builtin_program(batch, GPU_SHADER_3D_UNIFORM_COLOR); + + Batch_Uniform4fv(batch, "color", color); + + glEnable(GL_CULL_FACE); + // glEnable(GL_DEPTH_TEST); + + Batch_draw(batch); + + glDisable(GL_DEPTH_TEST); + // glDisable(GL_CULL_FACE); + + + Batch_discard_all(batch); +} + +void wm_manipulator_vec_draw( + const float color[4], const float (*verts)[3], unsigned int vert_count, + unsigned int pos, unsigned int primitive_type) +{ + immUniformColor4fv(color); + immBegin(primitive_type, vert_count); + for (int i = 0; i < vert_count; i++) { + immVertex3fv(pos, verts[i]); + } + immEnd(); +} |